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Paddy Seed Dryer Gasifier and Furnace

Submitted by Erin Rasmussen on Thu, 10/04/2012 - 16:59

by: Alexis Belonio and Billy Belonio
Mapangpang, Munoz, Nueva Ecija.

Drying seeds is a major concern fro growers in Nueva Ecija, especially when harvesting coincides with rainy periods (that make sun drying seeds difficult). Rice Husks can make an inexpensive fuel, and a Rice Husk Gasifier is an improvement over the traditional Furnace Design

In this application, and recently developed moving‐bed inverted downdraft rice husk gasifier was tested and evaluated for the flatbed dryer in drying rice seeds it was coupled to the flatbed dryer by positioning its burner 30‐cm apart from the dryer fan inlet in offset position.

"Combustible gases are produced from the gasifier within 15 to 20 minutes after ignition of fuel. Burning gas provides the required heat for drying seed grains at a temperature of 39 to 43°C. The 0.4‐meter diameter gasifier reactor can sufficiently provide the heat energy needed by a 4‐ ton capacity flatbed dryer; whereas, the 0.5‐meter diameter gasifier reactor suits perfectly for a 6‐ton capacity dryer."

The tests found that the rice husk gasifier is less labor intensive and more efficient, the seeds were dried very well, and uniformly, and it was easier to manage the heat output to the flatbed dryer.

Descriptions of the Gasifier project, as well as an improved furnace and dryer description and layout.

For further information, contact: The Project Director, Center for Rice Husk Energy Technology,
College of Agriculture, Resources and Environmental Sciences, Central Philippine University,
Iloilo City, Philippines. Email: atbelonio@yahoo.com and website: www.crhet.org. You can
also contact Engr. Billy Belonio for the technical aspect of the gasifier and the dryer atbtbelonio@yahoo.com or at +639167173476. Interested seed processors who would like to
see the technology can contact Ms. Divina Gracia Boydon (+639164219007) at Mapangpang,
Science City of Munoz, Nueva Ecija.

Sponsored by:

TR Miles Technical Consultants Inc. www.trmiles.com
Portland, Oregon, United States of America

TR Miles Technical Consultants assist the development, design and installation of Agricultural and Industrial Systems for Materials Handling, Air Quality and Biomass Energy;
Renewable energy from biomass and wastes.